USB: serial: option: use mass-storage class define

Use the USB class define rather than a magic number when refusing to
bind to mass-storage interfaces.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 1f5145d714d6c605aecec4d60a525f960cad7fad..c3f252283ab9df9a5132f7d297bd79bcbffad801 100644 (file)
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1978,7 +1978,7 @@ static int option_probe(struct usb_serial *serial,
        unsigned long device_flags = id->driver_info;
 
        /* Never bind to the CD-Rom emulation interface */
-       if (iface_desc->bInterfaceClass == 0x08)
+       if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE)
                return -ENODEV;
 
        /*